Unholy Matrimony
20/20 - Season 46
An open marriage, a secret affair, and a sinister plot for murder.
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Unholy Matrimony
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Season 46
Episodes
Last Seen in Lakeland
For three decades, Leo Schofield has been serving life in prison since his wife’s brutal stabbing. The “20/20” season 45 premiere poses the question: is Leo in prison for the crime of another man?
The Vanishing Act
Never-before-seen police tapes from inside the Sherri Papini case.
The Barefoot Witness
A workplace romance turns fatal for a Baton Rouge teacher-of-the-year mom. Could a three-year-old eyewitness help crack the case?
The Darkest Night
New details about the case of 17-year-old Brittanee Drexel, whose disappearance while on spring break stumped police for years.
Dial M For Missing
An international search for a California man suspected in his wife's murder takes a shocking twist.
Red Handed
Video evidence leads police to learn the shocking identity of a former Arkansas senator’s killer.
Girl Scout Murders
The murders of three young girls in 1977 turned an Oklahoma community upside down after the case went cold for decades.
Divine Intervention
John Quiñones examines why investigators say an act of "divine intervention" helped them solve a Minnesota farmer's murder.
Tainted Love
When a husband is violently murdered, his wife and her alleged lover become suspects.
Cold to the Touch
A mysterious drug overdose kills new mom Christina Harris. Would she leave behind a crucial clue that actually points to a killer?
A Captive Student
Police launch a 38-day nationwide manhunt to find a 15-year-old Tennessee student taken by her teacher.
Doctor Deceit
An exclusive interview with a ‘fake doctor’ who hid a deadly secret.
Chippendales Murder
Behind the glitz and glam of one of the sexiest shows in entertainment, an FBI investigation revealed Chippendales founder Steve Banerjee was the mastermind behind multiple murder-for-hire plots.
I Have Been Watching...
The investigation into a Texas murder reveals the killer may have been watching all along.
Horror in Idaho: The Student Murders
The latest reporting on the investigation, exclusive interviews and chilling new details in the Idaho case.
What The Little Girl Saw
A hockey player, a brutal murder and a shocking witness – the victim’s young daughter.
New Year's Evil
Did a mom found dead in a luxury apartment slip and fall, or was it something more sinister?
Kill Or Be Killed?
Was it a case of self-defense or murder after a mom of two shot and killed her partner?
The Kill List
Affairs. Antifreeze. A letter from the grave. What really happened to Julie Jensen?
House of Cards
After a mother and daughter are murdered, investigators encounter a self-proclaimed vampire and taunting letters from a killer.
A Model Murder
An Instagram model's relationship with an older man turns deadly, and a witness provides a shocking account of the fatal day.
Murdaugh Family Murders
Breaking coverage and exclusive analysis after a jury found former South Carolina attorney Alex Murdaugh guilty of murdering his wife and son.
The Confession?
A man wakes up to find his fiancée dead; a shocking confession changes everything.
The Last Strike
How a North Dakota love triangle ended with murder and a house in flame.
Lauren McCluskey
A college student is murdered after being stalked. Did the University fail to protect her?
Unholy Matrimony
An open marriage, a secret affair, and a sinister plot for murder.
Secrets of the Lake
Investigating the remains of victims found on the bottom of Lake Mead, NV as the reservoir water level drops due to drought. So far, Thomas Erndt, Claude Russell Pensinger and Donald P. Smith have been identified, submerged for decades.
Dying to Meet You
After a popular local musician is found dead, covert police surveillance uncovers horrific murders in Colorado and exposes a killer.
Where Monsters Hide
A twisted couple’s bizarre marriage pact, and how one of them was brought to justice by a small-town police chief.
Never Made It Home
A 19-year-old daughter vanished after a party and was never seen again. A new ‘ABC 20/20’ goes inside the stunning, decades-long investigation for justice for Kristin Smart.
Long Island Serial Killer
The investigation of the Gilgo Beach murders, featuring interviews with family members of the victims and key players in the case - including Suffolk County Police Commissioner Rodney Harrison and Suffolk County Defense Attorney Ray Tierney.
Since You've Been Gone
After teen vanishes, family searches for answers but police see a suspect closer to home.
Taken In The Night
When a 12-year-old girl is snatched from her bedroom, the kidnapping shakes a small town.
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